N.Y. Environmental Conservation Law § 11-1101
6. a. No person shall set or use a trap of the leg-gripping type (a) having a spread of jaws exceeding 7 1/4" measured at right angles to the axis upon which the jaws operate and excluding the gripping surface of each jaw, when used under water during the open season for trapping beaver or otter, or (b) in any other case, except as provided in title 5 or in section 11-1109, having a spread of jaws exceeding 5-3/4" as so measured. b. No person shall set or use a body gripping type trap with a dimension of more than 7-1/2 inches except: